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From Avinash Sridharan <avin...@mesosphere.io>
Subject Re: No agents were shown/found in DC/OS cluster
Date Mon, 16 May 2016 15:57:11 GMT
Looks like its the Agent that is getting killed :
 Main PID: 8982 (code=killed, signal=ABRT)


As Hoasodent mentioned, can you get the output of
"journalctl -u dcos-mesos-slave -b | tail -100"

You might be able to spot why the Agent exited.

On Mon, May 16, 2016 at 4:42 AM, haosdent <haosdent@gmail.com> wrote:

> Hi, may we have your `journalctl` result in mesos agent? Or how about your
> lauch mesos agent directly?
>
> On Mon, May 16, 2016 at 7:27 PM, 陈强 <chenqiang@qiyi.com> wrote:
>
>> yes, I checked they configured use the same mesos-dns in /etc/resolv.conf
>> and the mesos-dns is also running correctly. maybe it is not the root cause
>> ?
>>
>>
>> On 2016年05月16日 15:57, 陈强 wrote:
>>
>>> Hi Stephen Gran,
>>>
>>> Yes, mesos-dns is running..
>>> I use DC/OS GUI installer, where should I configure or check to use the
>>> mesos-dns for slaves? thx.
>>>
>>> [root@chenqiang-worker-dev007-shgq ~]# systemctl status dcos-mesos-dns
>>> -l
>>> ● dcos-mesos-dns.service - Mesos DNS: DNS based Service Discovery
>>>    Loaded: loaded
>>> (/opt/mesosphere/packages/mesos-dns--ee4c3c37c9be64426152a17a9aa094187357ae3b/dcos.target.wants_master/dcos-mesos-dns.service;
>>> enabled; vendor preset: disabled)
>>>    Active: active (running) since 一 2016-05-16 11:07:44 CST; 4h 45min ago
>>>  Main PID: 14718 (mesos-dns)
>>>    Memory: 7.0M
>>>    CGroup: /system.slice/dcos-mesos-dns.service
>>>            └─14718 /opt/mesosphere/bin/mesos-dns
>>> --config=/opt/mesosphere/etc/mesos-dns.json -logtostderr=true
>>>
>>> 5月 16 11:07:44 chenqiang-worker-dev007-XXX systemd[1]: Started Mesos
>>> DNS: DNS based Service Discovery.
>>> 5月 16 11:07:44 chenqiang-worker-dev007-XXX systemd[1]: Starting Mesos
>>> DNS: DNS based Service Discovery...
>>> 5月 16 11:07:44 chenqiang-worker-dev007-XXX mesos-dns[14718]: 2016/05/16
>>> 11:07:44 Connected to 127.0.0.1:2181
>>> 5月 16 11:07:44 chenqiang-worker-dev007-XXX mesos-dns[14718]: 2016/05/16
>>> 11:07:44 Authenticated: id=95903287146905603, timeout=40000
>>>
>>>
>>>
>>> On 2016年05月16日 15:47, Stephen Gran wrote:
>>>
>>>> Hi,
>>>>
>>>> The ExecStartPre failed - it looks like dns isn't working for some
>>>> reason.  Can you check if mesos-dns is running and that the slaves are
>>>> configured to use it?
>>>>
>>>> Cheers,
>>>>
>>>> On 16/05/16 08:36, 陈强 wrote:
>>>>
>>>>> It seems the mesos-slave service doesn't start...
>>>>>
>>>>> [一 5月 16 15:30:42 root@chenqiang-worker-dev004-XXX ~]# systemctl
>>>>> status dcos-mesos-slave.service -l
>>>>> ● dcos-mesos-slave.service - Mesos Agent: DC/OS Mesos Agent Service
>>>>>       Loaded: loaded
>>>>> (/opt/mesosphere/packages/mesos--0335ca0d3700ea88ad8b808f3b1b84d747ed07f0/dcos.target.wants_slave/dcos-mesos-slave.service;
>>>>>
>>>>> enabled; vendor preset: disabled)
>>>>>       Active: activating (auto-restart) (Result: signal) since 一
>>>>> 2016-05-16 15:30:42 CST; 1s ago
>>>>>      Process: 8982
>>>>> ExecStart=/opt/mesosphere/packages/mesos--0335ca0d3700ea88ad8b808f3b1b84d747ed07f0/bin/mesos-slave
>>>>>
>>>>> (code=killed, signal=ABRT)
>>>>>      Process: 8978 ExecStartPre=/bin/ping -c1 leader.mesos
>>>>> (code=exited,
>>>>> status=0/SUCCESS)
>>>>>      Process: 8976 ExecStartPre=/bin/ping -c1 ready.spartan
>>>>> (code=exited,
>>>>> status=0/SUCCESS)
>>>>>     Main PID: 8982 (code=killed, signal=ABRT)
>>>>>
>>>>> 5月 16 15:30:42 chenqiang-worker-dev004-XXX systemd[1]: Unit
>>>>> dcos-mesos-slave.service entered failed state.
>>>>> 5月 16 15:30:42 chenqiang-worker-dev004-XXX systemd[1]:
>>>>> dcos-mesos-slave.service failed.
>>>>>
>>>>> but can't find the root cause that make mesos-slave ABRT.
>>>>>
>>>>> On 2016年05月16日 14:38, 陈强 wrote:
>>>>>
>>>>>> Hi all,
>>>>>>
>>>>>>
>>>>>> I installed a DC/OS cluster, but found that no agents were shown/found
>>>>>> in cluster after finishing GUI installer.
>>>>>> Other components are OK. Does someone met the issue? thanks.
>>>>>>
>>>>>>
>>>>>> Best Regards.
>>>>>> Chen, Qiang
>>>>>>
>>>>>>
>>>>>
>>>
>> --
>> 陈强
>>
>> 技术产品中心 计算云 弹性计算
>> 手机:+86 15900964316
>> 分机:8377
>>
>>
>
>
> --
> Best Regards,
> Haosdent Huang
>



-- 
Avinash Sridharan, Mesosphere
+1 (323) 702 5245

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